Home / 21,469.43-32,153.24-17,012.77

Finding the Fourth Proportional to 21,469.43, 32,153.24 and 17,012.77

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Solution

The fourth proportional to 21,469.43, 32,153.24 and 17,012.77 is: 25,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,469.43 : 32,153.24 = 17,012.77 : x
  2. Step 2: Convert to fraction form
    21,469.43/32,153.24 = 17,012.77/x
  3. Step 3: Cross multiply
    21,469.43x = 32,153.24 × 17,012.77
  4. Step 4: Simplify right side
    21,469.43x = 547,015,649.01
  5. Step 5: Solve for x
    x = 547,015,649.01/21,469.43
  6. Step 6: Final answer
    x = 25,478.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.